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Find the max of two or more columns with pandas

... You can get the maximum like this: >>> import pandas as pd >>> df = pd.DataFrame({"A": [1,2,3], "B": [-2, 8, 1]}) >>> df A B 0 1 -2 1 2 8 2 3 1 >>> df[["A", "B"]] A B 0 1 -2 1 2 8 2 3 1 >>> df[["A", "B"]].max(axis=1) 0...
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Indentation in Go: tabs or spaces?

Is there a standard Google Go coding conventions document somewhere that sets whether tabs or spaces are preferred for indentation in Go source code? If not, what is the (statistically) more popular option? ...
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Is there a way to make R beep/play a sound at the end of a script?

... Simple and perfect, but useless if you've disabled PC speaker. Though I have no idea how does it run on Windows. – aL3xa Jul 29 '10 at 19:07 ...
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]

I'm seeing this in some code, and I have no idea what it does: 4 Answers 4 ...
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How to use cURL to send Cookies?

... curl -c /path/to/cookiefile http://yourhost/ to write to a cookie file and start engine and to use cookie you can use curl -b /path/to/cookiefile http://yourhost/ to read cookies from and start the cookie engine, or if it isn't a file it will pass on the given string. ...
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What is the difference between Linq to XML Descendants and Elements

...ds in the VS IntelliSense. I tried to googling the difference between them and did not get a clear answer. Which one of these have the best performance with small to medium XML files. Thanks ...
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RelativeLayout is taking fullscreen for wrap_content

...u cannot have a circular dependency between the size of the RelativeLayout and the position of its children. For example, you cannot have a RelativeLayout whose height is set to WRAP_CONTENT and a child set to ALIGN_PARENT_BOTTOM Class documentation Which is exactly your case. RelativeLayout can no...
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How does Django's Meta class work?

...ciated database table name, whether the model is abstract or not, singular and plural versions of the name etc. Short explanation is here: Django docs: Models: Meta options List of available meta options is here: Django docs: Model Meta options For latest version of Django: Django docs: Model Met...
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When is the init() function run?

....") } } AnswerToLife() is guaranteed to run before init() is called, and init() is guaranteed to run before main() is called. Keep in mind that init() is always called, regardless if there's main or not, so if you import a package that has an init function, it will be executed. Additionally,...
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Sort NSArray of date strings or objects

...[NSArray sortedArrayUsingSelector: or -[NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison fu...